llvm/llvm-opt-fuzzer--x86_64-simplifycfg: Use-of-uninitialized-value in bool llvm::DenseMapBase<llvm::DenseMap<llvm::StringRef, llvm::detail::DenseSetEm

Detailed report: https://oss-fuzz.com/testcase?key=5688396233572352 Project: llvm Fuzzer: libFuzzerllvmllvm-opt-fuzzer--x8664-simplifycfg Fuzz target binary: llvm-opt-fuzzer--x8664-simplifycfg Job Type: libfuzzermsanllvm Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Cra...